The events are over and the lists of winners have been sent off to Wasabii. If you won an event, you'll be able to receive your prize through the Web Depot.

To claim an item from the Web Depot, you must click the checkbox next to the item name, and then hit the "Sent" button at the bottom. Your item will then be sent to your in-game character, and you can find it in your mail box.

The winners for each event are as follows:

In-game Race:
Names marked with * were winners chosen at random due to a lack of event participation

Batgirl
Stanisloth
MajinVegeta
JohnnyRJ
Silenze
Hellion
JakuArozl*
Yashin*
ZxShadowKnightxZ*
DrissM*

Dragon Ball Trivia:

Tatsumaru
Mokubei
hong57
GreatSaiyaman
Silenze
Stanisloth
Raoh
CAAAA
ssjkiego
Hejter

In-game Scavenger Hunt:
Names marked with * were winners chosen at random due to a lack of event participation

DrissM
Tatsumaru
Silenze
BatGirl
Gozan*
Koji*
ssjkiego*
PrinceofSaiyans*
Zamora*
RenyxRen*

Screenshot Contest: (Screenshot Poll Here)
Note: 2 entries, "Ka...Me...Ha...Me...HAAAAA" by Agin and "The Dragon Slayers" by SonKagou, were in the top 10, but weren't eligible to win prizes due to not having entered any character names to send prizes to.

Senzo
RenyxRen
GreatSaiyaman
kikou
龟West
Gyldstrand
Silenze
Guts
BatGirl
JakuArozl

Silenze

Thanks^_^GJ on events!!

Yay, Senzo is mine :D!

Oh look at that, I won the screenshot contest ! : ) great!

Awsome, i won the In-game Scavenger Hunt =D

So when do you think they will send us our stuff.

Damn, Batgirl kicked butt! That's awesome!

Congratulations ! you are the big winner! XD
you get 4 prizes

The prizes should have been sent out within the past hour or so. Also, you should receive them through your in-game mailbox, not through the cash shop inventory.